Overview

Brief Summary

Introduction

Diagnosis

A rossiin ...

  • with a bilobed photophore on the ink sac.

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Comprehensive Description

Characteristics

  1. Arms
    1. Arms with biserial suckers.
    2. Greatly enlarged suckers in middle of arms II and III.
    3. Only left arm I hectocotylized.

      Figure. Oral view of Semirossia tenera, ca. 16 mm ML. Drawing from Verrill, 1880-1881.

  2. Tentacles
    1. Clubs expanded.
    2. Club suckers in 5-8 series.

      Figure. Oral view of club of Semirossia tenera, club length ca 11 mm. Drawing from Verrill, 1880-1881.

  3. Photophores
    1. Photophores present on ink sac.

      Figure. Ventral view of anterior mantle cavity of Semirossia tenera. Arrow points to one of the two adjacent photophores. Photophores are directed anteriorly and are not strongly reflective in this side view. Photograph by M. Vecchione.

  4. Viscera
    1. Epirenal bodies apparently absent.
    2. Ink sac functional.
    3. Anal flaps well developed.

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Ecology

Habitat

Depth range based on 206 specimens in 4 taxa.
Water temperature and chemistry ranges based on 141 samples.

Environmental ranges
  Depth range (m): 14 - 2622
  Temperature range (°C): 2.860 - 24.778
  Nitrate (umol/L): 0.501 - 25.946
  Salinity (PPS): 33.112 - 36.484
  Oxygen (ml/l): 2.721 - 6.690
  Phosphate (umol/l): 0.100 - 1.571
  Silicate (umol/l): 0.805 - 18.693

Graphical representation

Depth range (m): 14 - 2622

Temperature range (°C): 2.860 - 24.778

Nitrate (umol/L): 0.501 - 25.946

Salinity (PPS): 33.112 - 36.484

Oxygen (ml/l): 2.721 - 6.690

Phosphate (umol/l): 0.100 - 1.571

Silicate (umol/l): 0.805 - 18.693
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records: 3
Specimens with Sequences: 11
Specimens with Barcodes: 3
Species: 2
Species With Barcodes: 2
Public Records: 3
Public Species: 2
Public BINs: 1
Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Barcode data

Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Semirossia

Semirossia is a genus of bobtail squid comprising three species.

Species

Creative Commons Attribution Share Alike 3.0 (CC BY-SA 3.0)

Source: Wikipedia

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Disclaimer

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